public override IEnumerable <AbstractPacket> GetSubPackets(bool includeSelfReference)
{
if (includeSelfReference)
{
yield return(this);
}
//List<Packet> subPackets=new List<Packet>();
if (PacketStartIndex + 8 < PacketEndIndex)
{
AbstractPacket packet;
ApplicationLayerProtocol l7Protocol = UdpPortProtocolFinder.Instance.GetApplicationLayerProtocol(FiveTuple.TransportProtocol.UDP, sourcePort, destinationPort);
if (l7Protocol == ApplicationLayerProtocol.Unknown && UdpPortProtocolFinder.PipiInstance != null)
{
l7Protocol = UdpPortProtocolFinder.PipiInstance.GetApplicationLayerProtocol(this);//do a second attempt using PIPI (NM Pro only)
}
if (l7Protocol == ApplicationLayerProtocol.Dns) //DNS or Multicast DNS http://www.multicastdns.org/
{
try {
packet = new DnsPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse DNS packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Dhcp)
{
try {
packet = new DhcpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse DHCP (or BOOTP) protocol: " + e.Message));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Tftp)
{
try {
packet = new TftpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse NetBiosNameServicePacket packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.NetBiosNameService)
{
try {
packet = new NetBiosNameServicePacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse NetBiosNameServicePacket packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.NetBiosDatagramService)
{
try {
packet = new NetBiosDatagramServicePacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse NetBiosDatagramServicePacket packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Snmp)
{
try {
packet = new SnmpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse SNMP packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Syslog)
{
try {
packet = new SyslogPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse Syslog packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Upnp)
{
try {
packet = new UpnpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse UPnP packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Sip)
{
try {
packet = new SipPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse SIP packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Rtp)
{
try {
packet = new RtpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse RTP packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.VXLAN)
{
try {
packet = new VxlanPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse VXLAN packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else
{
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
yield return(packet);
foreach (AbstractPacket subPacket in packet.GetSubPackets(false))
{
yield return(subPacket);
}
}
}
public override IEnumerable <AbstractPacket> GetSubPackets(bool includeSelfReference)
{
if (includeSelfReference)
{
yield return(this);
}
//List<Packet> subPackets=new List<Packet>();
if (PacketStartIndex + 8 < PacketEndIndex)
{
AbstractPacket packet;
/*
* if(destinationPort==53 || sourcePort==53 || destinationPort==5353 || sourcePort==5353) {//DNS or Multicast DNS http://www.multicastdns.org/
* try {
* packet=new DnsPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse DNS packet ("+e.Message+")"));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* }
* else if(destinationPort==67 || destinationPort==68 || sourcePort==67 || sourcePort==68) {
* try {
* packet=new DhcpPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse DHCP (or BOOTP) protocol: "+e.Message));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
*
* }
* else if(destinationPort==69 || sourcePort==69) {
* try {
* packet=new TftpPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse NetBiosNameServicePacket packet ("+e.Message+")"));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* }
* else if(destinationPort==137 || sourcePort==137) {
* try {
* packet=new NetBiosNameServicePacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse NetBiosNameServicePacket packet ("+e.Message+")"));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* }
* else if(destinationPort==138 || sourcePort==138) {
* try {
* packet=new NetBiosDatagramServicePacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse NetBiosDatagramServicePacket packet ("+e.Message+")"));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* }
* else if (destinationPort == 514 || sourcePort == 514) {
* try {
* packet = new SyslogPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
* }
* catch (Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse Syslog packet (" + e.Message + ")"));
* packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
* }
* }
* else if(destinationPort==1900 || sourcePort==1900) {
* try {
* packet=new UpnpPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse UPnP packet ("+e.Message+")"));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* }
* else if(destinationPort==5060 || sourcePort==5060) {
* try {
* packet=new SipPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* catch(Exception e) {
* if (!this.ParentFrame.QuickParse)
* ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex+8, PacketEndIndex, "Cannot parse SIP packet ("+e.Message+")"));
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* }
* else {
* packet=new RawPacket(ParentFrame, PacketStartIndex+8, PacketEndIndex);
* }
* */
ApplicationLayerProtocol l7Protocol = UdpPortProtocolFinder.Instance.GetApplicationLayerProtocol(FiveTuple.TransportProtocol.UDP, sourcePort, destinationPort);
if (l7Protocol == ApplicationLayerProtocol.Dns) //DNS or Multicast DNS http://www.multicastdns.org/
{
try {
packet = new DnsPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse DNS packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Dhcp)
{
try {
packet = new DhcpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse DHCP (or BOOTP) protocol: " + e.Message));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Tftp)
{
try {
packet = new TftpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse NetBiosNameServicePacket packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.NetBiosNameService)
{
try {
packet = new NetBiosNameServicePacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse NetBiosNameServicePacket packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.NetBiosDatagramService)
{
try {
packet = new NetBiosDatagramServicePacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse NetBiosDatagramServicePacket packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Syslog)
{
try {
packet = new SyslogPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse Syslog packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Upnp)
{
try {
packet = new UpnpPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse UPnP packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.Sip)
{
try {
packet = new SipPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse SIP packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else if (l7Protocol == ApplicationLayerProtocol.VXLAN)
{
try {
packet = new VxlanPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
catch (Exception e) {
if (!this.ParentFrame.QuickParse)
{
ParentFrame.Errors.Add(new Frame.Error(ParentFrame, PacketStartIndex + 8, PacketEndIndex, "Cannot parse VXLAN packet (" + e.Message + ")"));
}
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
}
else
{
packet = new RawPacket(ParentFrame, PacketStartIndex + 8, PacketEndIndex);
}
yield return(packet);
foreach (AbstractPacket subPacket in packet.GetSubPackets(false))
{
yield return(subPacket);
}
}
}